PHP开发的微信现金红包功能示例

<?php class wxpay { //配置参数信息 const shanghuhao = "1430998xxx";//商户号 const partnerkey = "lefytoxwzuexxfp47wou5d9xxxxxx"; //api，商户后台 //核心支付函数,参数：请求地址和参数 function pay($url,$obj) { $obj['nonce_str'] = $this->create_noncestr(); //创建随机字符串 $stringa = $this->create_qianming($obj,false); //创建签名 $stringsigntemp = $stringa."&key=lefytoxwzuexxfp47wou5xxxxxx"; //签名后加api $sign = strtoupper(md5($stringsigntemp)); //签名加密并大写 $obj['sign'] = $sign; //将签名传入数组 $postxml = $this->arraytoxml($obj); //将参数转为xml格式 var_dump($postxml); $responsexml = $this->curl_post_ssl($url,$postxml); //提交请求 var_dump($responsexml); return $responsexml; } //生成签名,参数：生成签名的参数和是否编码 function create_qianming($arr,$urlencode) { $buff = ""; ksort($arr); //对传进来的数组参数里面的内容按照字母顺序排序，a在前面，z在最后（字典序） foreach ($arr as $k=>$v) { if(null!=$v && "null" != $v && "sign" != $k) { //签名不要转码 if ($urlencode) { $v = urlencode($v); } $buff.=$k."=".$v."&"; } } if (strlen($buff)>0) { $reqpar = substr($buff,0,strlen($buff)-1); //去掉末尾符号“&” } return $reqpar; } //生成随机字符串，默认32位 function create_noncestr($length=32) { //创建随机字符 $chars = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789"; $str = ""; for($i=0;$i<$length;$i++) { $str.=substr($chars, mt_rand(0,strlen($chars)-1),1); } return $str; } //数组转xml function arraytoxml($arr) { $xml = "<xml>"; foreach ($arr as $key=>$val) { if (is_numeric($val)) { $xml.="<".$key.">".$val."</".$key.">"; } else { $xml.="<".$key."><![cdata[".$val."]]></".$key.">"; } } $xml.="</xml>"; return $xml; } //post请求网站，需要证书 function curl_post_ssl($url, $vars, $second=30,$aheader=array()) { $ch = curl_init(); //超时时间 curl_setopt($ch,curlopt_timeout,$second); curl_setopt($ch,curlopt_returntransfer, 1); //这里设置代理，如果有的话 curl_setopt($ch,curlopt_url,$url); curl_setopt($ch,curlopt_ssl_verifypeer,false); curl_setopt($ch,curlopt_ssl_verifyhost,false); //cert 与 key 分别属于两个.pem文件 //请确保您的libcurl版本是否支持双向认证，版本高于7.20.1 curl_setopt($ch,curlopt_sslcert,dirname(__file__).directory_separator. 'zhengshu'.directory_separator.'apiclient_cert.pem'); curl_setopt($ch,curlopt_sslkey,dirname(__file__).directory_separator. 'zhengshu'.directory_separator.'apiclient_key.pem'); curl_setopt($ch,curlopt_cainfo,dirname(__file__).directory_separator. 'zhengshu'.directory_separator.'rootca.pem'); if( count($aheader) >= 1 ){ curl_setopt($ch, curlopt_httpheader, $aheader); } curl_setopt($ch,curlopt_post, 1); curl_setopt($ch,curlopt_postfields,$vars); $data = curl_exec($ch); if($data){ curl_close($ch); return $data; } else { $error = curl_errno($ch); echo "call faild, errorcode:$error\n"; curl_close($ch); return false; } } }

<?php require 'wxpay.class.php';<br><br>//数组参数 $money = 100; //最低1元，单位分 $sender = "晨缘房产"; $obj2 = array(); $obj2['wxappid'] = ""; //appid $obj2['mch_id'] = "";　　//商户id $obj2['mch_billno'] = "商户id".date('ymdhis').rand(1000,9999);　　//组合成28位，根据官方开发文档，可以自行设置 $obj2['client_ip'] = $_server['remote_addr']; $obj2['re_openid'] = "ouxo6v26wdymhthd9kfdw6nb_xbe";　　//接收红包openid $obj2['total_amount'] = $money; $obj2['min_value'] = $money; $obj2['max_value'] = $money; $obj2['total_num'] = 1; $obj2['nick_name'] = $sender; $obj2['send_name'] = $sender; $obj2['wishing'] = "恭喜发财"; $obj2['act_name'] = $sender."红包"; $obj2['remark'] = $sender."红包"; $url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack"; $wxpay = new wxpay(); $res = $wxpay->pay($url, $obj2); var_dump($res);